1. Cardiology Department, Athens General Hospital ‘Elpis’, Athens, Greece
2. Centre for Research and Development, Uppsala University/Region Gävleborg, Gävle, Sweden
3. NEMA Research, Inc, Naples, Florida, USA
4. Native Cardio, Inc, Naples, Florida, USA
5. Paolo Procacci Foundation, Rome, Italy
6. President, World Institute of Pain, California, USA
7. Faculty of Engineering and Sustainable Development, University of Gävle, Gävle, Sweden
8. Cardiology Research Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden